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Finding the Fourth Proportional to 614,546.80, 922,511.40 and 474,924.40

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Solution

The fourth proportional to 614,546.80, 922,511.40 and 474,924.40 is: 712,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,546.80 : 922,511.40 = 474,924.40 : x
  2. Step 2: Convert to fraction form
    614,546.80/922,511.40 = 474,924.40/x
  3. Step 3: Cross multiply
    614,546.80x = 922,511.40 × 474,924.40
  4. Step 4: Simplify right side
    614,546.80x = 438,123,173,138.16
  5. Step 5: Solve for x
    x = 438,123,173,138.16/614,546.80
  6. Step 6: Final answer
    x = 712,920.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.